693  
CDUS43 KLOT 181204 CCA  
CLIMDW  
 
CLIMATE REPORT...COR PRECIP  
NATIONAL WEATHER SERVICE CHICAGO IL  
139 AM CDT WED JUN 18 2025  
   
...............................  
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR JUNE 17 2025  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1928 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 92 4:31 PM 97 2024 82 10 97  
MINIMUM 73 11:59 PM 42 1980 63 10 79  
AVERAGE 83 72 11 88  
 
PRECIPITATION (IN)  
YESTERDAY 1.38 3.16 1996 0.13 1.25 0.00  
MONTH TO DATE 2.93 2.39 0.54 1.35  
SINCE JUN 1 2.93 2.39 0.54 1.35  
SINCE JAN 1 12.50 14.87 -2.37 17.33  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 9 21 -12 3  
SINCE JUN 1 9 21 -12 3  
SINCE JUL 1 5129 5749 -620 4545  
 
COOLING  
YESTERDAY 18 8 10 23  
MONTH TO DATE 99 103 -4 151  
SINCE JUN 1 99 103 -4 151  
SINCE JAN 1 150 185 -35 264    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 11.6  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 3:00 AM  
LOWEST 39 4:00 PM  
AVERAGE 62  
   
......................................................  
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 98 1954  
MINIMUM TEMPERATURE (F) 63 48 1930  
 
SUNRISE AND SUNSET  
JUNE 18 2025..........SUNRISE 5:16 AM CDT SUNSET 8:29 PM CDT  
JUNE 19 2025..........SUNRISE 5:16 AM CDT SUNSET 8:29 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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